Exercise device



FIG. 1 is a front view of the exercise device having its straps extended and flat where cross-hatched shading is intended to indicate a surface that is textured;

FIG. 2 is a back view of the exercise device having its straps extended and flat where cross-hatched shading is intended to indicate a surface that is textured;

FIG. 3 is a left side view of the exercise device having its straps extended and flat where cross-hatched shading is intended to indicate a surface that is textured;

FIG. 4 is a right side view of the exercise device having its straps extended and flat where cross-hatched shading is intended to indicate a surface that is textured;

FIG. 5 is a top view of the exercise device having its straps curved where cross-hatched shading is intended to indicate a surface that is textured;

FIG. 6 is a bottom view of the exercise device having its straps curved where cross-hatched shading is intended to indicate a surface that is textured; and,

FIG. 7 is a perspective view of the exercise device having its straps curved where cross-hatched shading is intended to indicate surface that is textured. 

What is claimed is the ornamental design for an exercise device, as shown. 